CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

project("kms-core")
message(STATUS "CMake project: ${PROJECT_NAME}")

# Test configuration
set(GENERATE_TESTS FALSE CACHE BOOL "Always build tests: add `make check_build` to normal `make` calls")
set(DISABLE_TESTS FALSE CACHE BOOL "Enable running `make check` during the building process")
set(VALGRIND_NUM_CALLERS 20 CACHE STRING "Valgrind option: maximum number of entries shown in stack traces")
set(ENABLE_EXPERIMENTAL_TESTS OFF CACHE BOOL "Enable tests that are not yet stable")

message("If KurentoHelpers is not found, you need to install 'kms-cmake-utils' from the Kurento repository")
find_package(KurentoHelpers REQUIRED)

list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_SOURCE_DIR}/CMake")
include(CodeGenerator)
get_values_from_model(PREFIX VALUE MODELS ${CMAKE_CURRENT_SOURCE_DIR}/src/server/interface KEYS version)

include(KurentoGitHelpers)
install_git_hook(pre-commit ${CMAKE_CURRENT_SOURCE_DIR}/hooks/pre-commit.hook)
get_git_version(PROJECT_VERSION ${VALUE_VERSION})
message(STATUS "Project version: ${PROJECT_NAME}-${PROJECT_VERSION}")

# Set GCC flags common to all projects
# Note: Flags added from dpkg-buildflags (if installed):
# -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2
include(DpkgBuildFlags)
get_dpkg_buildflags_c(DPKG_BUILDFLAGS_C)
get_dpkg_buildflags_cxx(DPKG_BUILDFLAGS_CXX)
set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS}   ${DPKG_BUILDFLAGS_C}   -std=c11   -Wall -Werror -pthread")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DPKG_BUILDFLAGS_CXX} -std=c++11 -Wall -Werror -pthread")
set(CMAKE_C_FLAGS_DEBUG   "-g -O0") # FIXME Ideal is '-Og' but a bug in GCC prevents this,
set(CMAKE_CXX_FLAGS_DEBUG "-g -O0") # causing "may be used uninitialized" errors: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58455
set(CMAKE_C_FLAGS_RELEASE   "-DNDEBUG -O2") # CMake adds '-O3' by default
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O2") # but currently only '-O2' is tested
set(CMAKE_POSITION_INDEPENDENT_CODE ON) # Use "-fPIC" for all targets, including static libs

# FIXME Disable error when macros __TIME__, __DATE__ or __TIMESTAMP__ are encountered
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-Wno-error=date-time" HAS_WARNING_DATE_TIME)
if(HAS_WARNING_DATE_TIME)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=date-time")
endif()

# Decide between std::regex or boost::regex
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_FLAGS ${CMAKE_CXX_FLAGS})
check_cxx_source_compiles(
"
  #include <iostream>
  #include <regex>
  int main() {
    std::regex re(\"//*\");
    std::string orig = \"//\";
    std::cout << std::regex_replace(orig, re, \"/\") << std::endl;
    return 0;
  }
"
  HAS_STD_REGEX_REPLACE
)

# Generate file "config.h"
set(VERSION ${PROJECT_VERSION})
set(PACKAGE ${PROJECT_NAME})
set(GETTEXT_PACKAGE "kms-core")
set(MANUAL_CHECK OFF CACHE BOOL "Tests will generate files")
include(GNUInstallDirs)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS}   -DHAVE_CONFIG_H")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHAVE_CONFIG_H")

set(GST_REQUIRED ^1.7.1)
set(JSON_RPC_REQUIRED ^1.1.0)
set(SIGCPP_REQUIRED ^2.0.10)
set(GLIBMM_REQUIRED ^2.37)

include(GenericFind)

if(${HAS_STD_REGEX_REPLACE})
  set(BOOST_REQUIRED_COMPONENTS "filesystem system")
  generic_find(LIBNAME Boost REQUIRED COMPONENTS filesystem system unit_test_framework)
else()
  set(BOOST_REQUIRED_COMPONENTS "filesystem system regex")
  generic_find(LIBNAME Boost REQUIRED COMPONENTS filesystem system regex unit_test_framework)
endif()

generic_find(LIBNAME gstreamer-1.5 VERSION ${GST_REQUIRED} REQUIRED)
generic_find(LIBNAME gstreamer-base-1.5 VERSION ${GST_REQUIRED} REQUIRED)
generic_find(LIBNAME gstreamer-video-1.5 VERSION ${GST_REQUIRED} REQUIRED)
generic_find(LIBNAME gstreamer-check-1.5 VERSION ${GST_REQUIRED})
generic_find(LIBNAME gstreamer-sdp-1.5 VERSION ${GST_REQUIRED} REQUIRED)
generic_find(LIBNAME gstreamer-pbutils-1.5 VERSION ${GST_REQUIRED} REQUIRED)
generic_find(LIBNAME gstreamer-rtp-1.5 VERSION ${GST_REQUIRED} REQUIRED)

generic_find(LIBNAME KmsJsonRpc VERSION ${JSON_RPC_REQUIRED} REQUIRED)
generic_find(LIBNAME sigc++-2.0 VERSION ${SIGCPP_REQUIRED} REQUIRED)
generic_find(LIBNAME glibmm-2.4 VERSION ${GLIBMM_REQUIRED} REQUIRED)
generic_find(LIBNAME uuid REQUIRED)

find_package(LibVpx REQUIRED)

set(CMAKE_INSTALL_GST_PLUGINS_DIR ${CMAKE_INSTALL_LIBDIR}/gstreamer-1.5)

enable_testing()

add_subdirectory(src)
add_subdirectory(tests)

install(
  FILES "${CMAKE_CURRENT_SOURCE_DIR}/CMake/CodeGenerator.cmake"
  DESTINATION ${CMAKE_MODULES_INSTALL_DIR}
)

install(
  FILES "${CMAKE_CURRENT_SOURCE_DIR}/CMake/FindMaven.cmake"
  DESTINATION ${CMAKE_MODULES_INSTALL_DIR}
)

install(
  FILES "${CMAKE_CURRENT_SOURCE_DIR}/CMake/FindNpm.cmake"
  DESTINATION ${CMAKE_MODULES_INSTALL_DIR}
)